Punctuation are used to organize a sentence . Moreover, it is used to create clarity and sense or to stress in a sentence. For example quotation marks " ", full stop (.), commas and so on.
A hyphen is used to connect words or word parts.
The hyphen is a punctuation which is used to glue the words together. In other words, the hyphen indicates that the words are linked together. It has certain rules to be used.
Hyphens are used to show a compound sentence.
To tell the age of things and people, hyphens are often used. It is used with the months, weeks, years and days but except the plural of these.